EP3048356A1 - Commande de lubrification par surveillance de courant de moteur de pompe - Google Patents

Commande de lubrification par surveillance de courant de moteur de pompe Download PDF

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Publication number
EP3048356A1
EP3048356A1 EP16151006.0A EP16151006A EP3048356A1 EP 3048356 A1 EP3048356 A1 EP 3048356A1 EP 16151006 A EP16151006 A EP 16151006A EP 3048356 A1 EP3048356 A1 EP 3048356A1
Authority
EP
European Patent Office
Prior art keywords
lubricant
lubrication system
motor
positive displacement
displacement pump
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
EP16151006.0A
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German (de)
English (en)
Other versions
EP3048356B1 (fr
Inventor
Risto Moilanen
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
SKF Oy AB
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SKF Oy AB
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Filing date
Publication date
Application filed by SKF Oy AB filed Critical SKF Oy AB
Publication of EP3048356A1 publication Critical patent/EP3048356A1/fr
Application granted granted Critical
Publication of EP3048356B1 publication Critical patent/EP3048356B1/fr
Active legal-status Critical Current
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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F16N29/02—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems for influencing the supply of lubricant
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N7/00—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated
    • F16N7/38—Arrangements for supplying oil or unspecified lubricant from a stationary reservoir or the equivalent in or on the machine or member to be lubricated with a separate pump; Central lubrication systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B49/00—Control, e.g. of pump delivery, or pump pressure of, or safety measures for, machines, pumps, or pumping installations, not otherwise provided for, or of interest apart from, groups F04B1/00 - F04B47/00
    • F04B49/06—Control using electricity
    • F04B49/065—Control using electricity and making use of computers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F16N13/02—Lubricating-pumps with reciprocating piston
    • F16N13/06—Actuation of lubricating-pumps
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F16N13/22—Lubricating-pumps with distributing equipment
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N19/00—Lubricant containers for use in lubricators or lubrication systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N21/00—Conduits; Junctions; Fittings for lubrication apertures
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N29/00—Special means in lubricating arrangements or systems providing for the indication or detection of undesired conditions; Use of devices responsive to conditions in lubricating arrangements or systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N13/00—Lubricating-pumps
    • F16N13/02—Lubricating-pumps with reciprocating piston
    • F16N13/06—Actuation of lubricating-pumps
    • F16N2013/063—Actuation of lubricating-pumps with electrical drive
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2250/00—Measuring
    • F16N2250/40—Flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16N—LUBRICATING
    • F16N2270/00—Controlling
    • F16N2270/20—Amount of lubricant

Definitions

  • the present invention concerns a lubrication system comprising a control unit that is arranged to determine the amount of lubricant that is dispensed from the lubricant system when it is in use.
  • the present invention also concerns a method and a computer program product for determining the amount of lubricant that is dispensed from such a lubricant system when it is in use.
  • Lubrication systems perform the task of supplying individual lubrication points or a group of lubrication points, such as at least one part of a bearing, joint, gear, and/or any other part(s) of one or more machines with a varying or non-varying amount of exactly metered lubricant to ensure that no lubrication point is over- or under-lubricated.
  • Over- or under-lubrication can namely negatively influence a machine component's service life and may result in machine breakdown.
  • a lubricant is usually fed to one or more lubrication points using a motor-driven feed pump, such as a piston pump, which ensures that lubricant is dispensed in the required amount.
  • a lubrication system is usually monitored and controlled using components such as lubricant level sensors and switches, pressure switches/gauges and transmitters, flow meters, volumetric meters, oil-streak sensors, dirt indicators, differential pressure switches, motion displays, piston detectors, moisture sensors and temperature measuring devices.
  • US patent 8 528 782 discloses a grease gun that includes a housing, a motor positioned within the housing, a pump assembly coupled to and driven by the motor, and a chamber supported by the housing in fluid communication with the pump assembly.
  • the chamber is configured to store a liquid.
  • the grease gun also includes an outlet in fluid communication with the chamber and a measurement system operable to measure an amount of liquid being dispensed through the outlet.
  • the measurement system monitors a change in current of the motor over a cycle of the pump assembly, compares the change in current to a predetermined value, and, if the change in current is greater than the predetermined value, increases a pump cycle counter to indicate that liquid was dispensed. If the change is current is less than the predetermined value, it is inferred that there is an air bubble in the pump assembly or that the chamber is empty.
  • a Hall proximity sensor is used for determining when the piston cycle is completed.
  • An object of the invention is to provide an improved lubrication system comprising a motor, such as a DC electric motor, a positive displacement pump driven by the motor, a lubricant container in fluid communication with the positive displacement pump and at least one lubricant outlet in fluid communication with the lubricant container.
  • the positive displacement pump is arranged to carry out at least one discharge stroke to dispense lubricant from the at least one lubricant outlet when the lubrication system is in use.
  • the lubrication system also comprises a control unit that is arranged to determine the amount of lubricant that is dispensed from the lubricant container via the at least one lubricant outlet when the lubrication system is in use
  • a lubrication system comprising a control unit that is arranged to monitor current supplied to the motor so as to obtain a motor current signal, and to determine the number of the discharge strokes from the motor current signal. No additional equipment is therefore necessary to count discharge strokes. The number of discharge strokes can be directly obtained from the motor current signal. If the number of discharge strokes is known, and if the amount of lubricant dispensed from each lubricant outlet with each discharge stroke is known or can be determined, then the volume or weight output of lubricant from the lubrication system can consequently be determined and the lubrication system can thereby be controlled to dispense a desired amount of lubricant when necessary.
  • components such as pressure switches/gauges and transmitters, flow meters, volumetric meters, differential pressure switches and piston detectors are not required to monitor and control the lubrication system, thereby reducing the cost and complexity of the control unit needed for monitoring the lubrication system. Furthermore, it is possible to determine from the current shape minimum/maximum relationship that the output is lubricant and not air.
  • a lubrication system according to the present invention may be used for any industrial application to provide the appropriate lubrication quantity at the correct intervals, thereby minimizing friction and wear and optimizing component and machinery service life.
  • the lubrication system provides proper, precise lubricant replenishment to all required points, enabling significant savings in repair and spare costs, increased machine reliability, savings in lubricant costs due to accurate timing and dosing of lubricants, fewer shutdowns and production losses, reduced environmental impact and greater safety for workers.
  • control unit is arranged to convert the motor current signal to pulses and count the number of the discharge strokes by counting the pulses.
  • control unit is arranged to determine the output pressure of the positive displacement pump from the motor current signal.
  • the present invention also concerns a method for determining the amount of lubricant that is dispensed from a lubrication system, such as a lubrication system according to any embodiment of the present invention.
  • the lubrication system comprises a motor, a positive displacement pump driven by the motor, a lubricant container in fluid communication with the positive displacement pump and at least one lubricant outlet in fluid communication with the lubricant container.
  • the positive displacement pump is arranged to carry out at least one discharge stroke to dispense lubricant from the at least one lubricant outlet when the lubrication system is in use.
  • the lubrication system also comprises a control unit that is arranged to determine the amount of lubricant that is dispensed from the lubricant container via the at least one lubricant outlet when the lubrication system is in use.
  • the method comprises the steps of monitoring current supplied to the motor so as to obtain a motor current signal, and determining the number of the discharge strokes from the motor current signal.
  • the method comprises the steps of converting the motor current signal to pulses and counting the number of the discharge strokes by counting the pulses.
  • the method comprises the step of determining the output pressure of the positive displacement pump from the motor current signal.
  • the present invention further concerns a computer program product that comprises a computer program containing computer program code means arranged to cause a computer or a processor to execute the steps of a method according to any of the embodiments of the present invention, stored on a computer-readable medium or a carrier wave.
  • a lubrication system, a method or a computer program product according to the present invention may be used to lubricate at least a part of one of the following: a ball bearing, a roller bearing, a needle bearing, a tapered roller bearing, a spherical roller bearing, a toroidal roller bearing, a ball thrust bearing, a roller thrust bearing, a tapered roller thrust bearing, a wheel bearing, a hub bearing unit, a slewing bearing, a ball screw, or any component for an application in which it is subjected to alternating Hertzian stresses, such as rolling contact or combined rolling and sliding.
  • At least one part of gear teeth, a camshaft, a fastener, a pin, an automotive clutch plate, a tool, or a die may be lubricated.
  • the lubrication system, a method or a computer program product may be used in automotive, aerospace, wind, marine, printing, construction, metal producing applications, and/or any machine applications.
  • lubrication system, a method or a computer program product may be used to lubricate any part of a paper machine, continuous caster, fan, blower, crushing and/or grinding mills, an industrial transmission, conveyor, a motor or pump.
  • Figure 1 shows a lubrication system 10 comprising a motor 12, a positive displacement pump 14 driven by the motor 12, a lubricant container 16 in fluid communication with the positive displacement pump 14 and a lubricant outlet 18 in fluid communication with the lubricant container 16.
  • the motor 12 is a DC electric motor.
  • the fluid container 16 can be arranged to store lubricant directly or to receive lubricant-filled cartridges.
  • the positive displacement pump 14 is arranged to carry out at least one discharge stroke to dispense lubricant from the lubricant outlet 16 when the lubrication system 10 is in use.
  • the lubricant dispensed from the lubricant outlet 16 lubricates a lubricant point 20. In circulation lubrication systems, lubricant may then be returned to the lubricant container 16 although this will not be the case in total loss lubrication systems.
  • the lubrication system 10 comprises a control unit 22 that is arranged to determine the amount of lubricant that is dispensed from the lubricant container 16 via the lubricant outlet 16 when the lubrication system 10 is in use. It should be noted that the control unit 22 is typically an embedded controller inside a pump (14) instead of an external computer as illustrated in figure 1 .
  • the positive displacement pump 14 may be a piston pump, such as an axial or a radial piston pump.
  • a piston pump usually comprises reciprocating element, such as a piston which is arranged to reciprocate in a chamber in the pump head.
  • the lubricant inlet and - outlet lines are joined to the piston chamber.
  • the inlet valve allows flow from the inlet line to the piston chamber, but not in the reverse direction.
  • the outlet valve allows flow from the chamber to the outlet line, but not in reverse.
  • the motor 12 that drives the piston pump repeatedly moves the piston back and forth in the piston chamber, causing the volume of the chamber to repeatedly become smaller and larger. When the piston moves out, a vacuum is created.
  • a single-piston pump delivers liquid to a lubricant outlet only during the discharge stroke. If the piston's suction and discharge strokes occur at the same speed and lubricant is metered out half the time the pump is working, then the overall metering rate averaged over time equals half the average flow rate during the discharge stroke.
  • Some single-piston pumps may have a constant slow piston motion for discharge and a quick retract motion for refilling the pump head. In such cases, the overall metering rate is practically equal to the pumping rate during the discharge stroke.
  • the lubrication system 10 comprises a control unit 22 that is arranged to monitor current 24 supplied to the motor 12, for example by measuring the output of a motor driver, so as to obtain a motor current signal 26, and to determine the number of the discharge strokes from the motor current signal 26.
  • a motor current signal 26 can be displayed on display means, such as a computer monitor or an oscilloscope screen.
  • a display means may also be used to display the amount of lubricant (in volume or weight) dispensed during each discharge stroke of the positive displacement pump or the amount of lubricant that has already been dispensed.
  • Data and/or one or more control signals may optionally be sent to the motor 12 and/or to a lubrication system controller to provide information about the amount of lubricant that has been dispensed and/or the amount of lubricant that is being dispensed. It can be determined whether the strokes of the positive displacement pump 14 are pumping lubricant or air and then the amount of lubricant can be controlled by counting the strokes.
  • a lubrication system 10 may comprise additional conventional components such as a lubricant filters or a cooling system. Additionally, a lubrication system 10 according to the present invention may be used to lubricate any number of lubrication points 20 on one or more machines. Furthermore, a control unit 22 need not necessarily be located in the same location as a lubrication system 10. A control unit 22 may namely be arranged at any local or remote location and it be arranged to communicate with one or more lubrication systems 10 according to the present invention by any suitable wired or wireless means. A control unit 22 need not necessarily constitute a single unit, but may comprise a plurality of separate components located at one or more locations.
  • control unit 22 is a computer comprising a display means for displaying motor current signals 26 to a user.
  • Lubrication system commands may be inputted via the control unit 22 and data may be displayed and/or be sent to a database and/or another display means and/or another user.
  • a control system 22 may be arranged to issue and/or send an alarm signal on analysis of motor current signals 26.
  • Figure 2 shows a typical motor current signal 26 obtained when the motor 12 of a lubrication system 10 according to an embodiment of the invention is running.
  • the variable load on the reciprocating element of the positive displacement pump 14, such as the piston of a piston pump, causes a cyclic current.
  • the current reaches is minimum value.
  • the current reaches is maximum value.
  • the maximum current measured may increase with time, as shown in figure 2 , if the output pressure of the positive displacement pump 14 increases with time.
  • the minimum current indicates friction in motor gear and the movement of a follower plate in a lubricant container. It's magnitude may be dependent on the temperature or the type of lubricant used in the lubrication system 10.
  • the peak to peak current of a cycle represents the force needed to move the reciprocating element of the positive displacement pump 14.
  • a piston spring force may cause an offset in the current.
  • the current signal may be measured for P/I conversion at a 0 bar level, when lubricant is pumped freely (0 bar current).
  • the peak to peak current may be used for calculating the output pressure.
  • a control unit 22 is arranged to convert a motor current signal 26 to pulses 28, by thresholding the motor current signal 26 for example, and to count the number of the discharge strokes of the positive displacement pump 14 by counting the pulses 28.
  • the motor current is measured using various pump stop pressures. By counting the current pulses 28, the output volume of the positive displacement pump 14 can be measured, and the lubrication can thereby be controlled.
  • Figure 3 shows a motor current signal 26 from a lubrication system 10 and the pulses 28 obtained therefrom.
  • the lubrication is controlled using output pressure. Pressurizing of lubricant, i.e. pumping stops when the motor current 24 reaches a predetermined set stop level, such as a pre-programmed pressure limit, such as a pre-programmed peak to peak current or a current that corresponds to an output pressure of 150 bar for example.
  • a predetermined set stop level such as a pre-programmed pressure limit, such as a pre-programmed peak to peak current or a current that corresponds to an output pressure of 150 bar for example.
  • Such a motor current signal 26 may for example be obtained from a single-line lubrication system 10 designed for oil, semi-fluid grease or hard grease NLGI grades 000 to 2. Lubricant volumes ranging from 0.01 to 2.5 cc are dispensed to each lubrication point 20 during each discharge stroke. A piston metering valve per lubrication point may be used to ensure that the right amount of lubricant is delivered, regardless of any changes in viscosity or back pressure.
  • Such a lubrication system 10 may be designed for output pressures ranging from 16 to 315 bars and venting pressures from 2 to 70 bars.
  • Figure 4 shows a motor current signal 26 from a lubrication system 10 and the pulses 28 obtained therefrom. Pressurizing, or pumping, of lubricant stops when a predetermined number of discharge strokes has been reached, i.e. when a pre-programmed pulse count is reached, such as ten discharge strokes in the illustrated example.
  • Such a motor current signal 26 may for example be obtained from a progressive lubrication system 10 designed for oil, semi-fluid grease or hard grease NLGI grades 000 to 2.
  • a positive displacement pump 14 or flow limiter may be used to supply lubricant through a main line to a distributor that serves each lubricant outlet 18 progressively, with a defined amount of lubricant.
  • To control the lubrication system's function only one metering reciprocating element has to be controlled.
  • Such progressive lubrication systems may be designed to lubricate up to 150 lubrication points with grease or oil. In combination with parallel flow limiters, they can serve up to 1000 lubrication points or more with oil. Flow rates of 0.01 to 6.000 cm 3 /minute and output pressures as high as 300 bar are possible.
  • Figure 5 shows a graph of motor current 24 versus output pressure of a positive displacement pump 14 according to an embodiment of the present invention.
  • a control unit 22 may be arranged to determine the output pressure of the positive displacement pump 14 from the motor current signal 26. If the magnitude of the motor current is measured or obtained by the control unit 22 (using a sensor for example), the output pressure of the positive displacement pump 14 and consequently the amount of lubricant discharged during each discharge stroke of the positive displacement pump 14 can be determined. By controlling the current 24 supplied to a motor 12, the amount of lubricant dispensed by the lubrication system 10 can thereby be controlled.
  • the present invention concerns a method for determining the amount of lubricant that is dispensed from a lubrication system 10 such as the lubrication system illustrated in figure 1 .
  • the lubrication system 10 comprises a motor 12, a positive displacement pump 14 driven by the motor 12, a lubricant container 16 in fluid communication with the positive displacement pump 14, at least one lubricant outlet 18 in fluid communication with the lubricant container 16, whereby the positive displacement pump 14 is arranged to carry out at least one discharge stroke to dispense lubricant from the at least one lubricant outlet 18 when the lubrication system 10 is in use.
  • a control unit 22 determines an amount of lubricant that is dispensed from the lubricant container 16 via the at least one lubricant outlet 18 when the lubrication system 10 is in use by monitoring current supplied to the motor 12 so as to obtain a motor current signal 26, and determining the number of the discharge strokes from the motor current signal 26.
  • the method comprises the steps of converting the motor current signal 26 to pulses 28 and counting the number of the discharge strokes by counting the pulses 28.
  • the method comprises the step of determining the output pressure of the positive displacement pump 14 from the motor current signal 26.
  • Figure 6 shows an example of a component that can be lubricated using a lubrication system 10 or method according to the present invention.
  • Figure 6 shows a bearing 30, namely a rolling element bearing 16 that may range in size from 10 mm diameter to a few metres diameter and have a load-carrying capacity from a few tens of grams to many thousands of tonnes.
  • the bearing 30 according to the present invention may namely be of any size and have any load-carrying capacity.
  • the illustrated bearing 30 comprises an inner ring 32 and an outer ring 34 and a set of rolling elements 36.
  • At least one point on a surface of the inner ring 32, the outer ring 34 and/or the rolling elements 36 of the rolling element bearing 30, and preferably a plurality of points on the surface of the component parts of the bearing 30 are lubricated using a lubrication system 10 or method according to the present invention.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Computer Hardware Design (AREA)
  • Details Of Reciprocating Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Power Engineering (AREA)
EP16151006.0A 2015-01-21 2016-01-13 Commande de lubrification par surveillance de courant de moteur de pompe Active EP3048356B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE1550049A SE1550049A1 (sv) 2015-01-21 2015-01-21 System, method & computer program product

Publications (2)

Publication Number Publication Date
EP3048356A1 true EP3048356A1 (fr) 2016-07-27
EP3048356B1 EP3048356B1 (fr) 2020-08-26

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Family Applications (1)

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EP16151006.0A Active EP3048356B1 (fr) 2015-01-21 2016-01-13 Commande de lubrification par surveillance de courant de moteur de pompe

Country Status (4)

Country Link
US (1) US10359149B2 (fr)
EP (1) EP3048356B1 (fr)
DK (1) DK3048356T3 (fr)
SE (1) SE1550049A1 (fr)

Cited By (2)

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WO2021116100A1 (fr) * 2019-12-09 2021-06-17 Hove A/S Pompe à graisse commandée par pression
EP4168704A1 (fr) * 2020-09-29 2023-04-26 Siemens Energy Global GmbH & Co. KG Poste de graissage pour installation et procédé de fonctionnement d'un poste de graissage

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DE102015215302B4 (de) * 2015-08-11 2026-03-12 Aktiebolaget Skf Automatisches Schmiersystem für ein Lager und Verfahren zum Betreiben eines automatischen Schmiersystems
US10024494B2 (en) * 2015-08-17 2018-07-17 CanServ, LLC Lubrication system and method of making the same
US10663112B2 (en) * 2016-11-15 2020-05-26 Industrial Robot Supply, Inc. Automatic grease dispensing system
US11530689B2 (en) * 2016-11-25 2022-12-20 Hove A/S Dispensing station and a dispensing system
DE102017200481B4 (de) * 2017-01-13 2025-12-04 Skf Lubrication Systems Germany Gmbh Verfahren zu einem Betrieb eines Schmierstoffverteilsystem
US10724682B2 (en) * 2018-01-15 2020-07-28 Downing Wellhead Equipment, Llc Delivering and metering grease to process valves
DE102018101772B4 (de) * 2018-01-26 2022-06-23 Ifm Electronic Gmbh Schmierstoffverteileranordnung
US11499673B2 (en) * 2019-10-04 2022-11-15 Dodge Industrial, Inc. Automatic lubricator for lubricating an object
US12372203B2 (en) * 2020-07-01 2025-07-29 Gb Ip Holdings Pty Ltd Device, system and method for dispensing lubricant
CN112212200B (zh) * 2020-11-09 2021-04-16 崇左南方水泥有限公司 水泥润滑站油气湿度在线监控装置
DE102021204619A1 (de) * 2021-05-06 2022-11-10 Skf Lubrication Systems Germany Gmbh Schmiersystem
CN115111513B (zh) * 2022-06-24 2023-06-02 重庆长安新能源汽车科技有限公司 一种油冷电机系统的油冷回路控制方法、系统及电动汽车
SE2250827A1 (en) 2022-07-01 2023-10-24 Durable Devices AB Monitoring the operation of a lubrication apparatus
US20250003551A1 (en) * 2022-07-06 2025-01-02 Aykut Özdemir Smart lubrication system

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EP3048356B1 (fr) 2020-08-26
US20160208983A1 (en) 2016-07-21
US10359149B2 (en) 2019-07-23
SE1550049A1 (sv) 2016-07-22
DK3048356T3 (da) 2020-11-16

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